Syndey is a distinctive girls' name in United States, ranking #6026 in 2003 with 20 recorded births. The name reached its all-time peak in 2001 with 30 births ranking #4193. Since 1996, the popularity has increased by 17.6%. In 2003, approximately 1 in every 91,353 girls born was named Syndey. FALLING Recent data shows the name is currently falling.